1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index 19649f5..ac62c45 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -342,7 +342,7 @@ process_arguments (int argc, char **argv)
                         strcpy (ptr_server, optarg);
                         break;
                 case 'a': /* expected address */
-                        if (is_dotted_quad (optarg) == FALSE) {
+                        if (is_addr (optarg) == FALSE) {
                                 printf ("Invalid expected address\n\n");
                                 print_usage ();
                                 exit (STATE_UNKNOWN);